From: Li RongQing <[email protected]> 3.12-stable review patch. If anyone has any objections, please let me know.
=============== [ Upstream commit ce6502a8f9572179f044a4d62667c4645256d6e4 ] when netif_rx() is done, the netif_rx handled skb maybe be freed, and should not be used. Signed-off-by: Li RongQing <[email protected]> Signed-off-by: David S. Miller <[email protected]> --- drivers/net/vxlan.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index f1735fb61362..637e5ad186ef 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1683,6 +1683,8 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan, struct pcpu_tstats *rx_stats = this_cpu_ptr(dst_vxlan->dev->tstats); union vxlan_addr loopback; union vxlan_addr *remote_ip = &dst_vxlan->default_dst.remote_ip; + struct net_device *dev = skb->dev; + int len = skb->len; skb->pkt_type = PACKET_HOST; skb->encapsulation = 0; @@ -1704,16 +1706,16 @@ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan, u64_stats_update_begin(&tx_stats->syncp); tx_stats->tx_packets++; - tx_stats->tx_bytes += skb->len; + tx_stats->tx_bytes += len; u64_stats_update_end(&tx_stats->syncp); if (netif_rx(skb) == NET_RX_SUCCESS) { u64_stats_update_begin(&rx_stats->syncp); rx_stats->rx_packets++; - rx_stats->rx_bytes += skb->len; + rx_stats->rx_bytes += len; u64_stats_update_end(&rx_stats->syncp); } else { - skb->dev->stats.rx_dropped++; + dev->stats.rx_dropped++; } } -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
